Citation: Kim, Sung-Jin; Kraus, Florian; Faessler, Thomas F. (2009). Na6ZnSn2, Na4.24K1.76(1)ZnSn2, and Na20Zn8Sn11: Three Intermetallic Structures Containing the Linear {Sn-Zn-Sn}(6-) Unit. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 131, pp. 1469-1478.